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<h3>SPANA:  Diagram Window</h3>

<ul>
<li><a href="#General">The diagram window</a></li>
<li><a href="S_Printing.htm">Printing Diagrams and
Making Figures for Reports</a></li>
<li><a href="#Displ_Coord">Displaying coordinates</a></li>
</ul>

<a name="General"></a>
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<h4>The diagram window</h4>

<p>It appears when <nobr>SED/PREDOM</nobr> finish a calculation. It is also created
when a diagram is selected in the main window, or double-clicked in the
<a href="S_Interacting_w_Windows.htm">File Manager / Explorer</a>. Several diagram
windows may be displayed simultaneously.</p>

<p>When the plot-file is read, it is displayed with the options
<nobr>(<font color="#ff0066">c</font><font color="#ff6600">o</font><font color="#ff9900">l</font><font color="#009900">o</font><font color="#00cccc">u</font><font color="#0000ff">r</font><font color="#990099">s</font>,</nobr>
<nobr><i>font</i>,</nobr> etc) selected in the menu
&#147;Preferences / <nobr>Diagram windows&#148;</nobr>
of the main window. After that, the diagram is kept in memory for faster update
when resizing, etc. If you <a href="SP_Plot-File_Format.htm#Make_Changes">make changes</a>
manually to the plot file with a text editor, <nobr>e.g.</nobr> to add, delete,
or move labels, then you need to use the &#147;MENU /
Redraw <nobr>(Ctrl-R)&#148;</nobr>
in the diagram window to read the plot file again and to show the changes.</p>

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<h4>Displaying coordinates:</h4>

<p>To read the coordinates of a point in a diagram, place the mouse on the point and
click on the right mouse button: a small window appears with the coordinates
at that point. For example, at what redox potentials is uranium insoluble
if pH = <nobr>7.5?</nobr>
The figure shows that at <nobr><i>E</i><sub>H</sub></nobr>
<nobr>&#8804;70&nbsp;mV</nobr> very little uranium is in solution
<nobr>([U]<sub>TOT</sub></nobr> <nobr>&#8804;10<sup>&#8722;7</sup> M):</nobr> 
</p>

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<img src="images/Diagr_Coord.gif" alt="Display Coordinates" title="Display Coordinates" height="265" width="317" border="1">
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